Add an object pointer to handler callbacks to avoid the need for
drivers to have a global variable to get to their driver-data
struct.

Link: https://lore.kernel.org/linux-acpi/6a29f338-d9e4-150c-81dd-2ffb54f5bc35@redhat.com/
Link: https://lore.kernel.org/r/20210114073429.176462-3-jiaxun.yang@flygoat.comSigned-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Suggested-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>